[balloon-makers] Welcome back Greg and Phil

Bill Whelan bwhelan at sprint.ca
Mon Oct 15 12:10:47 CDT 2001


Greg and Phil, Until one has actually experienced a  gas / night flight,
there is not enough words to explain it..
just remembering my first gas flight.. only to be there again....
wild bill EH!!!


----- Original Message -----
From: <Greg_Winker at Dell.com>
To: <balloon-makers at mail.deering.org>
Sent: Monday, October 15, 2001 11:50 AM
Subject: RE: [balloon-makers] Welcome back Greg and Phil


> Curtis -
>
> I had my SLR camera on board and it looks like I took 100+ photo's.  I
> brought my 18' boom along and took pictures of us in the basket at 12,000'
> over west Texas.  Those should be interesting.
>
> Flying at night is so cool.  One of the neatest sensations in all
ballooning
> is when you lay down on the bed at night, look up at the gas bag silently
> floating over your head and see the Milky Way galaxy as a back drop.
> Unfortunately, there is no way to capture that image on film.  You'll have
> to see it for yourself.
>
> More night flying stories to follow.
>
> Good Floating!
>
> Greg Winker
>
>
>
> -----Original Message-----
> From: Curtis Pack [mailto:cpackdo at citynet.net]
> Sent: Monday, October 15, 2001 2:56 PM
> To: balloon-makers at mail.deering.org
> Subject: [balloon-makers] Welcome back Greg and Phil
>
>
> Greg and Phil,
> Great flights.What a wonderful adventure. Any pictures by for the rest of
us
> ? Does Phil have a movie in the pipeline yet?. How was the night flying in
> the U.S.A.?
> Thanks for the simplification of the sigma value. I would be interested in
> those reports.
> Keep those gas bags floating !
> Fly safe,
> Curtis
> ----- Original Message -----
> From: <Greg_Winker at Dell.com>
> To: <balloon-makers at deering.org>
> Sent: Monday, October 15, 2001 9:11 AM
> Subject: [balloon-makers] Smalley Sigma Shapes
>
>
> > In response to Curtis' question about the sigma factors, I consulted the
> > expert and include the following information.  I know someone at the
> Wallops
> > Flight Facility and will see if I can get a copy of these reports.  Let
me
> > know if you would like a copy "for research purposes only."
> >
> > What a week Phillip and I have been through.  Too many highlights to
list
> > right now, but look for some details in the next day or two.  Thanks to
> > everyone who helped, especially those I haven't had the chance to thank.
> >
> > Good Floating!
> >
> > Greg Winker
> >
> >
> > ---Original Message-----
> > From: Jim Winker
> >
> > Regarding the Smalley sigma shapes:
> >
> > The simple answer is that the shape gets much shorter and fatter as the
> > sigma value goes up. Sigma 0.0 is for a situation where the ratio of
> > balloon weight to payload weight is very low, that is, the balloon is
> > considered weightless. At the other extreme, the payload weight is small
> > compared with balloon weight  --  as would happen if trying to reach a
> > very high altitude on a big balloon with a small load. A typical hot air
> > balloon would normally want to take the shape at about sigma=0.0.
> >
> > The full answer cannot possibly be put into an e-mail. Smalley covered
> > the subject thoroughly in a series of a half dozen reports in about 1963
> > to 1965. These can be seen at the NASA Wallops Flight Facility, VA
> > Balloon Technology Archive. That is NOT a lending library.
> >
> > Jim Winker
> >
> >
> > > From: Curtis Pack [mailto:cpackdo at citynet.net]
> > > Subject: [balloon-makers] Smalley and Sigma Relationship
> > >
> > > List,
> > > Can anyone explain the relationship the sigma value has for the
Smalley
> > > factors and the resulting change in the envelope ?
> > > Thanks.
> > > Fly safe,
> > > Curtis
> > -------
> > Replies will be automatically sent to the list.
> >
>
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